Foldable blade sharpener



FIG. 1 is a perspective view of a new and ornamental design for afoldable blade sharpener shown it is open position;

FIG. 2 is a first side elevation view thereof;

FIG. 3 is a second side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a second perspective view thereof with the foldable bladesharpener shown in its closed position.

CLAIM The ornamental design for a foldable blade sharpener, as shown anddescribed.